How to connect Bart to Claude Cowork

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Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Bart account to Cowork via Composio Connect, enabling it to find next departures from Embarcadero station, get real-time trip updates for Richmond line, check current BART service advisories and alerts, and more such actions on your behalf without compromising your account security.

Also integrate Bart with

Connecting Bart to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Bart account

Back in Cowork, ask the agent to connect to Bart or give it any Bart-related task.

For example, ask Cowork to:

  • "Find next departures from Embarcadero station"
  • "Get real-time trip updates for Richmond line"
  • "Check current BART service advisories and alerts"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Bart account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Bart through MCP without you sharing account credentials directly with the agent.

What is the Bart MCP server, and what's possible with it?

The Bart MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to BART's public transit data. It provides structured and secure access to real-time schedules, route information, station details, and service advisories, so your agent can plan trips, fetch live updates, check advisories, and explore routes for you.

  • Trip planning with live schedules: Instantly retrieve train arrival or departure times and help users plan journeys between any BART stations based on the latest schedule data.
  • Live service advisories and alerts: Keep travelers informed by fetching up-to-date system-wide or station-specific service advisories, ensuring users know about delays or disruptions before they travel.
  • Route and station discovery: Access detailed information about BART routes and stations, including amenities and configuration, so your agent can answer travel questions or recommend stations.
  • Real-time trip and schedule updates: Get the latest trip updates and schedule changes in real time, allowing users to adapt plans quickly if there are changes or issues along their route.
  • Access to static and GTFS feeds: Download the latest BART GTFS (General Transit Feed Specification) data for offline schedule planning, analysis, or integration with third-party transit tools.

Supported Tools & Triggers

Tools
Get BART API VersionStub action for bart api version retrieval.
Get BART Available SchedulesTool to retrieve a list of currently released bart schedules.
Get Route InfoTool to fetch detailed information about a specific bart route.
Get BART StationsStub action for bart stations retrieval.
Get GTFS-RT Trip UpdatesTool to fetch real-time trip updates in gtfs-realtime format.
Download GTFS Static Schedule FeedTool to download the static gtfs feed (google transit.
Get BART Schedule ArriveTool to retrieve schedule information based on a specified arrival time.
Get BART Schedule DepartTool to get schedule information based on a specified depart time.
Get Service AdvisoriesTool to fetch current bart service advisories.
Get Station InfoTool to fetch detailed information for a specified bart station.

How to build Bart MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Bart MCP?

With a standalone Bart MCP server, the agents and LLMs can only access a fixed set of Bart tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Bart and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Cowork?

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Bart tools.

Can I manage the permissions and scopes for Bart while using Tool Router?

Yes, absolutely. You can configure which Bart scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Bart data and credentials are handled as safely as possible.

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